Seagate Savvio 900GB SAS, Savvio. Hard drive capacity: 900 GB, Hard drive size: 63.5 mm (2.5 "), Hard drive rotational speed: 10000 RPM. Power consumption (idle): 4.42 W, Input voltage: 5 - 12 V, Start-up current: 1 A. Weight: 0.205 kg, Height: 15 mm, Width: 70.10 mm. Operating temperature range (T-T): 5 - 55 °C, Storage temperature range (T-T): -40 - 70 °C, Operating shock: 40 G